public class FizzBuzz {
    public static String excute(int input) {
        if (input <= 0) throw new IllegalArgumentException("Invalid input");
        if (input % 3 == 0 && input % 5 == 0) return "FizzBuzz";

        if (input % 3 == 0) return "Fizz";
        if (input % 5 == 0) return "Buzz";
        return String.valueOf(input);

        
    }
}
